Base | Representation |
---|---|
bin | 1011101011001… |
… | …1110110110011 |
3 | 10102010222211200 |
4 | 2322303312303 |
5 | 100014034222 |
6 | 4505342243 |
7 | 1133151066 |
oct | 272636663 |
9 | 112128750 |
10 | 48971187 |
11 | 25708861 |
12 | 14497983 |
13 | a1b8045 |
14 | 670a8dd |
15 | 4474eac |
hex | 2eb3db3 |
48971187 has 12 divisors (see below), whose sum is σ = 70817760. Its totient is φ = 32609808.
The previous prime is 48971183. The next prime is 48971191. The reversal of 48971187 is 78117984.
It is an interprime number because it is at equal distance from previous prime (48971183) and next prime (48971191).
It is not a de Polignac number, because 48971187 - 22 = 48971183 is a prime.
It is not an unprimeable number, because it can be changed into a prime (48971183) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6733 + ... + 11969.
It is an arithmetic number, because the mean of its divisors is an integer number (5901480).
Almost surely, 248971187 is an apocalyptic number.
48971187 is a deficient number, since it is larger than the sum of its proper divisors (21846573).
48971187 is a wasteful number, since it uses less digits than its factorization.
48971187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6282 (or 6279 counting only the distinct ones).
The product of its digits is 112896, while the sum is 45.
The square root of 48971187 is about 6997.9416259354. The cubic root of 48971187 is about 365.8588320579.
It can be divided in two parts, 4897 and 1187, that added together give a square (6084 = 782).
The spelling of 48971187 in words is "forty-eight million, nine hundred seventy-one thousand, one hundred eighty-seven".
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